Cooking appliance



FIG. 1 is a front perspective view showing a cooking appliance according to our new ornamental design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a right side view thereof, with the left side view thereof being a mirror image thereof.

The broken lines represent environment or structure of the cooking appliance and do not form any part of the claimed design. 

CLAIM The ornamental design for a cooking appliance, as shown and described. 